build(deps): bump react-router-dom from 6.28.0 to 7.9.4

Bumps [react-router-dom](https://github.com/remix-run/react-router/tree/HEAD/packages/react-router-dom) from 6.28.0 to 7.9.4.
- [Release notes](https://github.com/remix-run/react-router/releases)
- [Changelog](https://github.com/remix-run/react-router/blob/main/packages/react-router-dom/CHANGELOG.md)
- [Commits](https://github.com/remix-run/react-router/commits/react-router-dom@7.9.4/packages/react-router-dom)

---
updated-dependencies:
- dependency-name: react-router-dom
  dependency-version: 7.9.4
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -12,7 +12,7 @@
     "react": "18.3.1",
     "react-ace": "13.0.0",
     "react-dom": "18.3.1",
-    "react-router-dom": "6.28.0"
+    "react-router-dom": "7.9.4"
   },
   "devDependencies": {
     "@types/dompurify": "^3.0.5",

showcase/playground-showcase/package.json

@@ -9,7 +9,7 @@
     "@vitejs/plugin-react": "^4.3.3",
     "react": "18.3.1",
     "react-dom": "18.3.1",
-    "react-router-dom": "6.28.0",
+    "react-router-dom": "7.9.4",
     "@vitejs/plugin-react": "^4.3.3",
     "vite": "^5.4.20"
   },